12926380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20849}}^1$

素因数の和:20889

約数の個数: 24

約数和(自身を含む): 28022400

約数和(自身を除く): 15096020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 20849, 41698, 83396, 104245, 208490, 416980, 646319, 1292638, 2585276, 3231595, 6463190, 12926380]

約数ペア:

[(1, 12926380), (2, 6463190), (4, 3231595), (5, 2585276), (10, 1292638), (20, 646319), (31, 416980), (62, 208490), (124, 104245), (155, 83396), (310, 41698), (620, 20849)]